Dickeya dianthicola has been confirmed on ‘Norwis’ potato in New Jersey from seed originating from Prince Edward Island. This is the first report of Dickeya on potato in NJ this growing season. All potato growers should continue to scout their fields on a regular basis. Please contact your county agent if you find suspect plants. […]
Continue reading...June 14, 2018 Cesar Rodriguez-Saona
Research on False Blossom and Blunt-nosed Leafhoppers
Blunt-nosed leafhoppers are vectors of a phytoplasma that causes false blossom disease in cranberries. This disease causes abnormalities in flowers, which include shortened, discolored and streaked petals, enlarged calyx, straighten inflorescence, and abnormal development of floral parts into leaves (phyllody). False blossom imposed a severe threat to the cranberry industry in the US in the first […]
Continue reading...June 13, 2018 Kris Holmstrom and Joe Ingerson-Mahar
IPM Update 6/06/18
Sweet Corn European corn borer (ECB) moths have declined in black light traps, and numbers are now very low. The highest activity now in central Morris County (see ECB map). As is normal, when the adult generation winds down, feeding increases. IPM technicians have reported dramatic increases in feeding in whorl and pre-tassel stage plantings in the all counties. Numbers […]
Continue reading...June 13, 2018 Jim Murphy
Managing Thatch
Recently received a couple of questions about managing thatch. One question was concerning the recent trend in the industry to not core putting greens and only use solid tines. Non-coring programs rely on topdressing to dilute the organic matter (that… Read More »
Continue reading...June 13, 2018 Cesar Rodriguez-Saona
Insect Update
Cranberry beds are in bloom. If insects have been effectively managed prior to bloom, we recommend no sprays at this time. A reminder: when bees are present your only choices of insecticides are insect growth regulators (IGRs) such as Intrepid 2F or Bt products such as DiPel. During bloom we recommend monitoring insect populations using […]
Continue reading...June 11, 2018 A.Wyenandt, W.Kline, and J.Ingerson-Mahar
Potato | Tomato Disease Forecast 6-12-18
Click to View | Download Report 6-12-18 Potato Disease Forecasting Report We will be tracking DSVs for Late blight development and calculating P-days for initiating the first early blight fungicide application. The first late blight fungicide application is recommended once 18 DSVs accumulate from green row. Green row typically occurs around the first week in May […]
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